More > JRiver Media Center 19 for Windows
NEW: Improved memory playback
Matt:
Both MC18 and MC19 have true memory playback in that there's no disk I/O during playback.
MC19 moves decoding to the front side instead of doing it on the fly. This moves about 1 or 2 seconds of CPU time spent decoding to the start of playback instead of spreading it smoothly over the course of a song. This means all forms of lossless are completely identical in memory and with regards to resource usage during playback.
Vincent Kars:
--- Quote from: Matt on July 23, 2013, 10:52:16 am ---This means all forms of lossless are completely identical in memory and with regards to resource usage during playback.
--- End quote ---
Anybody still hearing a difference is need of tweaking his placebo a bit better ;D
kstuart:
Oops - missed the word "still", so never mind. :)
InflatableMouse:
--- Quote from: 6233638 on July 23, 2013, 03:22:46 am ---If I recall correctly, a 32-bit application should be able to use ~3GB on a 32-bit OS and ~4GB on a 64-bit OS.
--- End quote ---
Under normal circumstances, a 32-bit program on 32-bit OS can allocate 2GB of RAM. The remaining 2GB is allocated for the OS. Unless the hardware doesn't support relocating hardware addresses to above 4GB barrier, then the user space gets less, usually between 256MB and 768MB less. Its also possible to configure the OS to use 1GB instead of 2, and the user space gets that 1GB extra. This is not something that's automatic or enabled by default, it requires the user to set "increaseuserva" parameter via bcdedit on Vista and above, or /3GB switch on XP. Limiting the OS to 1GB can also lead to problems although I admit its not very common, problems mostly arise on terminal servers/citrix environments.
On a 64-bit OS a 32-bit program should in theory be able to allocate the full 4GB of RAM that 32-bit can allocate (2^32).
Note the "in theory", because I have no idea if it requires major changes in code and whether that breaks true 32-bit compatibility for instance.
jmone:
--- Quote from: Vincent Kars on July 23, 2013, 02:52:46 pm ---Anybody still hearing a difference is need of tweaking his placebo a bit better ;D
--- End quote ---
;D Anyone hearing a difference before also needed said tweaking!
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